idle_gen.hh revision 12396:3d04ea44fafb
1/* 2 * Copyright (c) 2012-2013, 2017 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed here under. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated 11 * unmodified and in its entirety in all distributions of the software, 12 * modified or unmodified, in source code or in binary form. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions are 16 * met: redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer; 18 * redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution; 21 * neither the name of the copyright holders nor the names of its 22 * contributors may be used to endorse or promote products derived from 23 * this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 36 * 37 * Authors: Thomas Grass 38 * Andreas Hansson 39 * Sascha Bischoff 40 * Neha Agarwal 41 */ 42 43/** 44 * @file 45 * Declaration of the idle generator that does nothing. 46 */ 47 48#ifndef __CPU_TRAFFIC_GEN_IDLE_GEN_HH__ 49#define __CPU_TRAFFIC_GEN_IDLE_GEN_HH__ 50 51#include "base/bitfield.hh" 52#include "base/intmath.hh" 53#include "base_gen.hh" 54#include "mem/packet.hh" 55#include "proto/protoio.hh" 56 57/** 58 * The idle generator does nothing. 59 */ 60class IdleGen : public BaseGen 61{ 62 63 public: 64 65 IdleGen(const std::string& _name, MasterID master_id, Tick _duration) 66 : BaseGen(_name, master_id, _duration) 67 { } 68 69 void enter(); 70 71 PacketPtr getNextPacket(); 72 73 Tick nextPacketTick(bool elastic, Tick delay) const ; 74}; 75 76#endif 77